Fmoc-D-Cys(phacm) CAS 1565818-55-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1565818-55-4 |
| Molecular Formula | C27H26N2O5S |
| Molecular Weight | 490.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Fmoc-D-Cys(phacm) (CAS 1565818-55-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H26N2O5S. Molecular weight: 490.57 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C27H26N2O5S |
| Molecular Weight | 490.57 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Macitentan Impurity 27 (CAS CATO-C4X-117527)
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- 3-Amino-6-bromo-N-(2-methoxyethyl)pyrazine-2-carboxamide (CAS 714218-67-4)
- Crisaborole Impurity 21 (CAS CATO-C4X-202121)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
Why CATO?
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